Thermalright

Thermalright Peerless Assassin 120 SE CPU Air Cooler

Name: Thermalright Peerless Assassin 120 SE CPU Air Cooler, Dual Tower 6 Heat Pipe, Dual 120mm TL-C12C PWM CPU Fan, for AMD AM4/AM5/Intel LGA
Brand: Thermalright
SKU: B09RWVV3XZ

Status: Thermalright Peerless Assassin 120 SE CPU Air…: Unavailable on Amazon as of 2026-10-19 04:28 UTC. SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.

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Bottom line: The Thermalright Peerless Assassin 120 SE CPU Air Cooler: Dual-tower, 6 heat-pipe design rated for a 120-265W CPU TDP; main trade-off: 155mm height too tall for many small-form-factor cases.

Unavailable on Amazon as of 2026-10-19 04:28 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:

Similar: CoolerMaster MasterLiquid ML240L RGB V2 — $79.99 on Amazon as of 2026-10-21 16:17 UTC (price may vary).

View Current Price — $79.99

Similar: Thermalright Peerless Assassin 120 SE CPU Cooler — $31.41 on Amazon as of 2026-10-21 16:17 UTC (price may vary).

View Current Price — $31.41

Similar: Thermalrlght Peerless Assassin 120 SE ARGB CPU… — $33.90 on Amazon as of 2026-10-21 04:16 UTC (price may vary).

View Current Price — $33.90

Original listing (currently unavailable) → Compare to similar cooling & fans

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-19

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Dual-tower, 6 heat-pipe design rated for a 120-265W CPU TDP
✓ Runs quiet at 25.6dB(A) with two TL-C12C PWM fans
✓ Broad socket support: AMD AM4/AM5, Intel LGA 1700/1200/115X

Cons

✗ 155mm height too tall for many small-form-factor cases
✗ No RGB or ARGB lighting on fans or heatsink
✗ Thin aluminum fins bend easily during install
✗ Metal-bracket mounting fiddlier than push-pin coolers

SpecPicks Verdict

SpecPicks scored Thermalright Peerless Assassin 120 SE CPU Air Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Thermalright's cooling & fans lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cooling & fans of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

[Brand Overview] Thermalright is a Taiwan brand with more than 20 years of development. It has a certain popularity in the domestic and foreign markets and has a pivotal influence in the player market. We have been focusing on the research and development of computer accessories. R & D product lines include: CPU air-cooled radiator, case fan, thermal silicone pad, thermal silicone grease, CPU fan controller, anti falling off mounting bracket, support mounting bracket and other commodities
[Product specification] Thermalright PA120 SE; CPU Cooler dimensions: 125(L)x135(W)x155(H)mm (4.92x5.31x6.1 inch); heat sink material: aluminum, CPU cooler is equipped with metal fasteners of Intel & AMD platform to achieve better installation, double tower cooling is stronger
【2 PWM Fans】TL-C12C; Standard size PWM fan:120x120x25mm (4.72x4.72x0.98 inches); Product weight:0.97kg(2.1lb); fan speed (RPM):1550rpm±10%; power port: 4pin; Voltage:12V; Air flow:66.17CFM(MAX); Noise Level≤25.6dB(A), leave room for memory-chip(RAM), so that installation of ice cooler cpu is unrestricted
【AGHP technique】6×6mm heat pipes apply AGHP technique, Solve the Inverse gravity effect caused by vertical / horizontal orientation, cpu cooler TDP is 120 to 265W. 6 pure copper sintered heat pipes & PWM fan & Pure copper base&Full electroplating reflow welding process, When CPU cooler works, match with ultra-silent airflow fans, aim to extreme CPU cooling performance
【Compatibility】The CPU cooler Socket supports: Intel:115X/1200/1700/17XX AMD:AM4; AM5;For different CPU socket platforms, corresponding mounting plate or fastener parts are provided

Full Specifications

Brand	Thermalright
Model	PA120 SE-D3
Weight	0.97kg
Voltage	12 volts
Wattage	7.2 watts
Material	Aluminum,Silicone,Aluminium,Metal
Dimensions	4.92x5.31x6.1 inch
Unit Count	1 Count
Noise Level	25.6 db
Part Number	PA120 SE-D3
Material Type	Aluminum,Silicone,Aluminium,Metal
Cooling Method	Air
Number of Items	1
Air Flow Capacity	66.17 cfm
Compatible Devices	Desktop
Included Components	cpu cooler
Power Connector Type	4-Pin
Warranty Description	1
Maximum Rotational Speed	1550 rpm
Item Dimensions L x W x H	5.31"L x 4.92"W x 6.1"H
Full listing title	Thermalright Peerless Assassin 120 SE CPU Air Cooler, Dual Tower 6 Heat Pipe, Dual 120mm TL-C12C PWM CPU Fan, for AMD AM4/AM5/Intel LGA 1700/1150/1151/1200, AGHP Technology, Aluminium Heatsink Cover

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Amazon shows no buyable offer for Thermalright Peerless Assassin 120 SE CPU Air… at the last check. A similar in-stock product is CoolerMaster MasterLiquid ML240L RGB V2. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Similar — $79.99